You can use this years MPLab 7.20 and C18 2.40 from the KOP, they are identical.
You can download MPLAB 7.20 here:
http://ww1.microchip.com/downloads/e...MP720_Full.zip
As for the MCC18 2.40 Compilier, I am not sure where you can obtain it that version.
You can download the default 2006 RC code here:
http://www.ifirobotics.com/docs/lega...-2-28-2006.zip
I hope this helps.